It was an ancient alley door, low, vaulted, narrow, solid, entirely of oak, lined on the inside with a sheet of iron and iron stays, a genuine prison postern.

• 那是一扇古老的甬道大门，圆顶、矮窄、坚固，全部是栎木做的，里面还包了一层铁皮，装了整套铁件，是一扇真正的牢门。